Given x + e*y = c, x + b*y = d, evaluate x, y.
Derivada de 1 sobre logaritmo natural de x sobre x
what is indices
m=cotA+cosA
n= cotA-cosA
prove that, (m^2+n^2)^2 = 4mn(4+mn)
Given x + bw*y = cw, x + bv*y = kv, evaluate x, y.
The exterior angle of a regular polygon is equal to one third of the interior angle. Calculate the number of sides of the polygon?
10x-18+6x+2x
2x^2 + x + 600
579 ^ 7 mod 1147
14(2t-3)-2(t+2)=10(3t-4)